The impact of shorter retention time on wastewater treatment by constructed wetlands

Project Number
WW 19-13

Project title
The impact of shorter retention time on wastewater treatment by constructed wetlands

Project leader
Mulidzi, A R

Team members
Mulidzi, A R
Zingelwa, N S
Van Huyssteen, I
Baron, F

Project description
The rationale for using constructed wetlands for treating wastewater is that wetlands are amongst the most biologically active terrestrial ecosystem. Constructed wetlands are created for a specific purpose: in this case distillery wastewater treatment. Research results for existing trial had showed effective removal of chemical oxygen demand (COD) by wetlands throughout the year with a retention time of 14 days. The aim of the project is to determine the impact of shorter retention time (7 days) on the performance of constructed wetland in terms of COD removal.

Presentation(s)
Mulidzi, A R. 2006. The environmental impact of winery wastewater (effluent) on soil. Paper presented at the 4th IWA International Specialized Conference Sustainable Viticulture: Winery Wastes and Ecological Impact Management. 5-8 November 2006, Vina del Mar, Chile.

Mulidzi, A R. 2008. Use of constructed wetlands to treat winery and distillery wastewater. Paper presented at the 31st National Congress of the South African Society for Enology and Viticulture. 11-14 November, Somerset West, South Africa.

Mulidzi, A R. 2008. Establishment of a artificial wetlands for wastewater treatment. Presentation at the Biodiversity and Wine Initiative Farmers’ Day. Stellenbosch, South Africa.

Mulidzi, A R. 2009. Winery and distillery wastewater treatment by constructed wetland with shorter retention time. Paper presented at the 5th International Specialized Conference on Sustainable Viticulture: Winery Wastes and Ecological Impacts Management. 30 March – 03 April 2009, Trento, Italy.

Article
Mulidzi, A R. 2008. The cost of constructed wetland for winery wastewater treatment, WineLand, Mnth Feb (p. 66-67)

Mulidzi, A R. 2010. Winery and distillery wastewater treatment by constructed wetland with shorter retention time, Water Science and Technology, (p. 2611-2615)

Thesis
Mulidzi, A R. 2001. Environmental impact of winery effluent in the Western and Northern Cape Provinces. (M Inst Agrar) (Land Use Planning) University of Pretoria, Pretoria, South Africa.

FinalReport.pdf

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